Toothbrush



FIG. 1 is a right side view of a toothbrush showing my new design, with the shading on the handle denoting contrasting color;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a right side view of an alternate form of a toothbrush showing my new design;

FIG. 6 is a top plan view thereof;

FIG. 7 is a left side view thereof; and,

FIG. 8 is a rear view thereof. 

The ornamental design for a toothbrush, as shown and described. 